CS-ME7CKPG, CS-ME10CKPG, CS-ME12CKPG, CS-ME14CKPG, CS-ME18CKPG, CU-2E15CBPG, CU-2E18CBPG, CU-3E23CBPG, CU-4E27CBPG - Panasonic Air Conditioner Service Manual (repair manual). Page 109

A

B

C

D

E

F

G

H

1

2

3

4

5

6

7

8

9

10

11

12

R49

33K

AC230V
50Hz

L

N

JP101

FU1

AC250V

30A

L101

50

H

SA1

HS

HR

HE

8

6

2
4

3

1

E (GRN/YLW)

ECN1 (GRN)

(RED)
AC1

(BLK)
AC2

S15

0IS15A

PC814A/X1

JP5

JP1

R44

91K 2W

R43

1K

1

2

4

3

0IS15B

PC814A/X1

C40

0.001

0IS16A

PC814A/X1

R46

91K 2W

1

2

4

3

0IS16B

PC814A/X1

C41

0.001

R47

R104

10K

R45

1K

C111

AC250V
0.001

HIC3

AS1701768

R11

15K 1W

R9

18K 2W

D12

GP10-4005E

C11

220V100

ZD1

1ZC56

R10

100K

R105

200
1/2W

8

6

2
4

3

1

HIC4

AS1701768

R12

15K 1W

HIC5

AS1701768

R13

15K 1W

8

6

2
4

3

1

HIC6

AS1701768

R14

15K 1W

8

6

2
4

3

1

C112

AC250V
0.001

C113

AC250V
0.001

C114

AC250V
0.001

C110

0.1

S92

IC7

TC4051BP

X4

1

9

C

X5

2

C0M

3

X7

4

X6

5

INH

6

V

EE

7

V

SS

8

10

B

11

A

12

X3

13

X0

14

X1

15

X2

16

V

DD

S93

R50

33K

R51

33K

R52

33K

C45

16V10

C46

16V10

C47

16V10

C48

16V10

R53

33K

R54

33K

R55

33K

R56

33K

C49

16V10

C50

16V10

C51

16V10

C52

16V10

C44

100P

J10A

S1

S4

S6

J1A

S91

S23-4

S23

S22

S21

S20

S90

D18
D19
D20
D21

D22
D23
D24
D25

D26
D27
D28
D29

D30
D31
D32
D33

D18 - 33

RMPG06G

J1

J12

R2

10K

R60

10K

R57

10K

R1

10K

J10

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

IC6

TD62084AP

C1

AC250V
1

V2

780NR-14D-201

V3

780NR-14D-201

L1

6 mH

S104

S103

C38

50V
1

C39

0.1

R42

536

C3

AC250V
0.01

C4

AC250V
0.01

C5

AC250V
0.01

C6

AC250V
0.01

C7

AC250V
0.01

C8

AC250V
0.01

C37

0.001

1

2

4

3

R38

20K

0IS12B

PC817C/D

R37

10K

R36

1K

0IS12A

PC817C/D

C2

AC250V
2.2

D(4)

B(2)

C(3)

A(1)

L4

1.5 mH

3

18
20
59
61
36
38
40

44
46
48
50
52
63
65
67
69
75
73
71
15
43
41
39
37
45
47
49
51
53
19
21
23
17
25
27
33
35
31
29

42

TP1

MR8

HIC1

M68954

5V

5V

5V

5V

5V

5V

12V

5V

1

2

3

1

2

3

1

2

3

1

2

3

X1M

X2M

X3M

X4M

X5M

OUTDOOR AIR 
TEMP. SENSOR

HEAT EXCHANGER 
TEMP. SENSOR

DISCHARGE 
TEMP. SENSOR

M

EXPANSION
VALVE COIL A

M

EXPANSION
VALVE COIL B

M

EXPANSION
VALVE COIL C

M

EXP

*

ANSION

VALVE COIL D

HEAT SINK
TEMP. SENSOR

5V

1

S11

3

5

7

1

3

5

7

S10

1

3

5

1
2
3
4
5
6
7
8

1
2
3
4
5
6
7
8
9

GAS PIPE TEMP.
SENSOR

LIQUID PIPE TEMP.
SENSOR

(UNIT-A)

To INDOOR

UNIT-A

To INDOOR

UNIT-B

To INDOOR

UNIT-C

To INDOOR

UNIT-D

(UNIT-B)

(UNIT-C)

(UNIT

*

*

-D)

(UNIT-A)

(UNIT-B)

(UNIT-C)

(UNIT-D)

1
2
3
4
5
6

1
2
3
4
5
6

1
2
3
4
5
6

1
2
3
4
5
6

1
2
3
4
5
6

3
2
1

1
2

1
2
3
4
5
6
7
8

1
2
3
4

1
2
3
4

1
2

1
2

2

1

17.5VACT

+5V
PAM ON/OFF

Heating Mode Operation
Cooling Operation Mode
Power
Data Transmission A
Data Reception A
Data Transmission B
Data Reception B
Data Transmission C
Data Reception C
Data Transmission D
Data Reception D
Gas piping Temperature
Gas/Liquid piping Temperature
Gas/Liquid piping Temperature
Gas/Liquid piping Temperature
Outdoor Air Temperature
Heat Exchanger Temperature
Compressor Discharge Temperature
Heat Sink Temperature
Expansion Valve 1
Expansion Valve 2
Expansion Valve 3
Expansion Valve 4
Expansion Valve A
Expansion Valve B
Expansion Valve C
Expansion Valve D
Check Valve
Fixed Frequency Mode

TERMINAL BOARD

*

Mark parts are not
equiped in the 
CU-3E23CBPG.

Outdoor  air temp
Heat exchanger temp
Gas pipe temp.a,b,c,d,
Liguid pipe temp.a,b,c,d,
Discharge temp
Heat sink temp

Sensor Characteristics

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

105

110

115

120

-20

-10

0

10

20

30

40

50

    TEMP(  C)

R
E
S

I

S
T
A
N
C
E

k

 (        )

*

109